Define Switchover Strategy

Use

Depending on your requirements for high availability, you may decide to implement a switchover strategy for your most important components in the solution landscape.

Switchover products

·         Protect system services by switching them over to standby resources in case a critical resource fails.

·         Address the single points of failure in hardware that cannot be protected by standard technologies, such as hot pluggable RAID and uninterruptible or backup power supplies

·         Used in conjunction with standard technologies, can substantially improve system availability by comprehensively covering single points of failure

·         Can be used to monitor and control various system resources, such as host machines and network adapters

·         Offer some level of automation in monitoring the health of system components and in detecting and reacting to component failures

·         Ensure that in the event of failure, the service provided by the resource is automatically taken over by a standby resource

·         Cannot guarantee zero downtime, but can limit the impact on your SAP systems of host machine failures and restrict unplanned downtime to tolerable levels

Prerequisites

Server infrastructure for the production environment defined

Service Level Agreements defined

Procedure

1.       Identify any parts of your technical infrastructure where you may need a switchover solution, such as a critical server.

2.       Work together with your hardware partner to identify potential tools to support a switchover solution.

3.       Specify additional technical components to implement the switchover solution, such as an additional server.

4.       Determine the costs and benefits of your planned switchover strategy and decide whether or not to implement it.

 

If minimizing downtime is a critical constraint, use a quality assurance environment to test, implement, and upgrade your switchover strategy.

Result

Defined switchover strategy